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2002221102 = 237192818929
BaseRepresentation
bin111011101010111…
…0111100000101110
312011112112101000010
41313111313200232
513100032033402
6530402314050
7100421412210
oct16725674056
95145471003
102002221102
11938224392
1247a658926
1325ba7431b
1414dcb65b0
15baba0a6c
hex7757782e

2002221102 has 64 divisors (see below), whose sum is σ = 4835059200. Its totient is φ = 539965440.

The previous prime is 2002221097. The next prime is 2002221113. The reversal of 2002221102 is 2011222002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219774 + ... + 228702.

It is an arithmetic number, because the mean of its divisors is an integer number (75547800).

Almost surely, 22002221102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417529600).

2002221102 is an abundant number, since it is smaller than the sum of its proper divisors (2832838098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002221102 is a wasteful number, since it uses less digits than its factorization.

2002221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9241.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2002221102 is about 44746.1853346182. The cubic root of 2002221102 is about 1260.3872795408.

Adding to 2002221102 its reverse (2011222002), we get a palindrome (4013443104).

The spelling of 2002221102 in words is "two billion, two million, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 281 399 562 798 843 1686 1967 3934 5339 5901 8929 10678 11802 16017 17858 26787 32034 37373 53574 62503 74746 112119 125006 169651 187509 224238 339302 375018 508953 1017906 1187557 2375114 2509049 3562671 5018098 7125342 7527147 15054294 17563343 35126686 47671931 52690029 95343862 105380058 143015793 286031586 333703517 667407034 1001110551 2002221102